class_docstr: Class for computing metrics based on two StructuredDatasets.
code: def total_manhattan_distance(self, privileged=None):
      return self.total(self.manhattan_distance, privileged=privileged)
  
imports: from functools import partial
  import numpy
  import scipy.spatial.distance
  from aif360.datasets import StructuredDataset
  from aif360.metrics import DatasetMetric, utils
label_desc: Use image node_id 9 for calling the SampleDistortionMetric obj's underlying member method code with example usage: obj.total_manhattan_distance(privileged) and returns: self